Logic
What three letters should come next?
SMT, WTF, SSM, TWT, FSS, ???
MTW
F_O_ER
FLOWER
I am full of holes, but I can still hold a lot of water. What am I?
A sponge
People make me, save me, change me, raise me. What am I?
Money
The day before two days after the day before tomorrow is Saturday. What day is it today?
Friday. The “day before tomorrow” is today; “the day before two days after” is really one day after. So if “one day after today is Saturday,” then it must be Friday.
S_U_E_T
STUDENT
There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?
Three. Two ducks are in front of the last duck; the first duck has two ducks behind; one duck is between the other two.
What five-letter word gets shorter when you add two letters to it?
Short
I turn once, what is out will not get in. I turn again, what is in will not get out. What am I?
A key
I_T_ _E_ _T_NG
INTERESTING
A man has 53 socks in his drawer: 21 identical blue, 15 identical black and 17 identical red. The lights are out and he is completely in the dark. How many socks must he take out to make 100 percent certain he has at least one pair of black socks?
40 socks. If he takes out 38 socks (adding the two biggest amounts, 21 and 17), although it is very unlikely, it is possible they could all be blue and red. To make 100 percent certain that he also has a pair of black socks he must take out a further two socks.
What breaks yet never falls, and what falls yet never breaks?
Morning and night
I have hands, but I cannot clap. What am I?
A clock
P_IN_E
PRINCE
How far can a puppy run into the woods?
Halfway. When they get there, they're on their way out!
With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might, physically joining with a single bite. What am I?
A stapler
What letter completes this sequence?
SMHDWM?
Y for years
They are initials of units of time - Seconds months hours days weeks months years
B_ _G_ _ P_Y
BIOGRAPHY
100-2
71+5
54x1
31+1
2x?
The sums work out as 98, 76, 54, 32 - so the next one must work out as 10 to complete a sequence of 9876543210.
What connects the following words?
HAUNT
MUMBLE
SONIC
GRANITE
They all contain the name of family members. So aunt is in haunt, mum in mumble, son in sonic and gran in granite